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7115199: Add event tracing hooks and Java Flight Recorder infrastructure

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Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.

Reviewed-by: acorn, sspitsyn
This commit is contained in:
Markus Gronlund 2012-01-11 17:34:02 -05:00 • committed by Paul Hohensee
parent 849571d5b3
commit 007126d010
29 changed files with 352 additions and 11 deletions
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24
hotspot/src/share/vm/runtime/thread.cpp
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@ -73,6 +73,7 @@
#include "services/attachListener.hpp"
#include "services/management.hpp"
#include "services/threadService.hpp"
#include "trace/traceEventTypes.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/events.hpp"
@ -232,6 +233,7 @@ Thread::Thread() {
CHECK_UNHANDLED_OOPS_ONLY(_gc_locked_out_count = 0;)
_jvmti_env_iteration_count = 0;
set_allocated_bytes(0);
set_trace_buffer(NULL);
_vm_operation_started_count = 0;
_vm_operation_completed_count = 0;
_current_pending_monitor = NULL;
@ -1512,6 +1514,10 @@ void JavaThread::run() {
JvmtiExport::post_thread_start(this);
}
EVENT_BEGIN(TraceEventThreadStart, event);
EVENT_COMMIT(event,
EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj())));
// We call another function to do the rest so we are sure that the stack addresses used
// from there will be lower than the stack base just computed
thread_main_inner();
@ -1641,6 +1647,15 @@ void JavaThread::exit(bool destroy_vm, ExitType exit_type) {
}
}
// Called before the java thread exit since we want to read info
// from java_lang_Thread object
EVENT_BEGIN(TraceEventThreadEnd, event);
EVENT_COMMIT(event,
EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj())));
// Call after last event on thread
EVENT_THREAD_EXIT(this);
// Call Thread.exit(). We try 3 times in case we got another Thread.stop during
// the execution of the method. If that is not enough, then we don't really care. Thread.stop
// is deprecated anyhow.
@ -3186,6 +3201,11 @@ jint Threads::create_vm(JavaVMInitArgs* args, bool* canTryAgain) {
return status;
}
// Must be run after init_ft which initializes ft_enabled
if (TRACE_INITIALIZE() != JNI_OK) {
vm_exit_during_initialization("Failed to initialize tracing backend");
}
// Should be done after the heap is fully created
main_thread->cache_global_variables();
@ -3423,6 +3443,10 @@ jint Threads::create_vm(JavaVMInitArgs* args, bool* canTryAgain) {
create_vm_init_libraries();
}
if (!TRACE_START()) {
vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION));
}
// Notify JVMTI agents that VM initialization is complete - nop if no agents.
JvmtiExport::post_vm_initialized();